Wind energy is known from the days when Don Quixote fighting windmills and even before. However, although the system is clean, wind fields remains limited success because of the high cost of investment, the difficulty of obtaining land required and, largely, the vagaries of the weather, which depends on plant performance. No fields of turbine placement by sea - a highly valued - not exactly perfect, because they more expensive investment, raising, however, difficult to master technical problems.
As a result, in recent years, we studied a new technological solution based on the location of the turbines at high altitude, where the currents are strong and relatively constant. No land issue does not arise as there is put to the ground. Such a turbine should produce 27 times more energy than usual.
Studies and experiments conducted so far on two solutions: one of them is based on the "kite" or a floating conducting ariane ground floor and the second is considering the installation of wind turbines on a balloon inflatable old guy " zeppelin ".
Complex technological problems that involve this new concept to capture wind energy experts led NASA to seek the services, the organization also interested in getting ariane a non-conventional energy.
According to NASA, there are two major difficulties that must be addressed, because it can perform studies and experiments. The first derives from the fact that the aerodynamics of these systems is not yet sufficiently perfected to get a FUNCTIONING autonomous and efficient. ariane The second ariane problem is related ariane pretentious and expensive equipment to be installed in such a turbine, in order to have a better monitoring of the ground.
The prototype developed by NASA is based on aerodynamics avionuluiBoeing-707, but with a wingspan of only three feet. It follows that, according to the results, final prototype to be built with the same scale as the Boeing.
In the first stage, three-meter prototype was tested at low altitudes, the results are satisfactory. It is likely that soon will be tested and working at optimum altitude, considered to be at about 600 meters. Testing is done in the space reserved for NASA in Wallops Island, Virginia, USA.
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